Made from silicone compound that's dishwasher safe, Free, and Food-Safe. for sweet food and blue ring for savoury food, white is in common use, Preventing the odors from transferring among your favorite foods Perfect for replacing your seals every 18-24 months or when deformation is present Inside diameter 8.7 inch, outside diameter 9.5 inch, height is 0.75 inch, Fits IP-DUO60, IP-LUX60, IP-DUO50, IP-LUX50, Smart-60, IP-CSG60, IP-CSG50 Color: blue + red + white Notice Fits IP-DUO60, IP-LUX60, IP-DUO50, IP-LUX50, Smart-60, IP-CSG60 and IP-CSG50, Not recommended for using on other of pressure cookers, it may cause leakage if you try. Package Includes: 3 x Silicone Sealing Rings Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.